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Piezoelectricity in a 2D Semiconductor

Xiang Zhang feature MoS2

Berkeley Lab researchers have opened the door to low-power off/on switches in micro-electro-mechanical systems (MEMS) and nanoelectronic devices, as well as ultrasensitive bio-sensors, with the first observation of piezoelectricity in a free standing two-dimensional semiconductor.

Making a Good Thing Better: Berkeley Lab Researchers Open a Possible Avenue to Better Electrolyte for Lithium Ion Batteries

X-ray absorption spectra, interpreted using first-principles electronic structure calculations, provide insight into the solvation of the lithium ion in propylene carbonate. (Image courtesy of Rich Saykally, Berkeley)

Berkeley Lab researchers carried out the first X-ray absorption spectroscopy study of a model electrolyte for lithium-ion batteries and may have found a pathway forward to improving LIBs for electric vehicles and large-scale electrical energy storage.

Switching to Spintronics


Berkeley Lab researchers used an electric field to reverse the magnetization direction in a multiferroic spintronic device at room temperature, a demonstration that points a new way towards spintronics and smaller, faster and cheaper ways of storing and processing data.

A Better Look at the Chemistry of Interfaces

Chuck Fadley feature image Large

SWAPPS – Standing Wave Ambient Pressure Photoelectron Spectroscopy – is a new X-ray technique developed at Berkeley Lab’s Advanced Light Source that provides sub-nanometer resolution of every chemical element to be found at heterogeneous interfaces, such as those in batteries, fuel cells and other devices.

Sweet Smell of Success: JBEI Researchers Boost Methyl Ketone Production in E. coli

Methyl ketones were discovered more than a century ago in the aromatic evergreen rue plant. They are now used to provide scents in essential oils and flavoring in cheese, but JBEI research shows they could also serve as advanced biofuels. (Image from Wikimedia Commons)

JBEI researchers have engineered E. coli bacteria to convert glucose into significant quantities of methyl ketones, a class of chemical compounds primarily used for fragrances and flavors, but highly promising as clean, green and renewable blending agents for diesel fuel.

Two Berkeley Lab Scientists Named AAAS Fellows


Two Berkeley Lab scientists, climate scientist William Collins and chemist Heinz Frei, have been named Fellows of the American Association for the Advancement of Science (AAAS) for 2014.

New Research Quantifies Health Benefits of Reducing Greenhouse Gas Emissions


Reducing greenhouse gas emissions (GHG), which result from the burning of fossil fuels, also reduces the incidence of health problems from particulate matter in these emissions, according to Berkeley Lab researchers and colleagues. They calculated that the economic benefit of reduced health impacts from GHG reduction strategies in the U.S. range between $6 and $14 billion annually in 2020, depending on how the reductions are accomplished.

New Lab Startup Afingen Uses Precision Method to Enhance Plants


By manipulating a plant’s metabolic pathways, two scientists at Berkeley Lab, Henrik Scheller and Dominique Loqué, have figured out a way to genetically rewire plants to allow for an exceptionally high level of control over the spatial pattern of gene expression, while at the same time boosting expression to very high levels. Now they have launched a startup company called Afingen to apply this technology for developing low-cost biofuels that could be cost-competitive with gasoline and corn ethanol.

Boosting Biogasoline Production in Microbes

Aindrila Mukhopadhyay (left) and Heather Jensen were part of a JBEI team that identified microbial genes which can improve both the tolerance and the production of biogasoline in engineered strains of E. coli. (Photo by Roy Kaltschmidt)

Researchers with the Joint BioEnergy Institute (JBEI) have identified microbial genes that can improve both the tolerance and the production of biogasoline in engineered strains of E. coli.

Berkeley Lab Study Reveals Molecular Structure of Water at Gold Electrodes

Rachel B thumb

Berkeley Lab researchers have recorded the first observations of the molecular structure of liquid water at a gold electrode under different battery charging conditions.